CARBAMAZEPINE

85/100 · Critical

Manufactured by Novartis Pharmaceuticals Corporation

Carbamazepine Adverse Events: High Seriousness and Diverse Reactions

124,512 FDA adverse event reports analyzed

Last updated: 2026-05-12

About CARBAMAZEPINE

CARBAMAZEPINE is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Novartis Pharmaceuticals Corporation. Based on analysis of 124,512 FDA adverse event reports, CARBAMAZEPINE has a safety score of 85 out of 100. This score indicates a relatively favorable safety profile, with fewer or less severe adverse events compared to many other tracked medications. The most commonly reported adverse reactions for CARBAMAZEPINE include DRUG INEFFECTIVE, SEIZURE, DRUG INTERACTION, FALL, DIZZINESS. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for CARBAMAZEPINE.

AI Safety Analysis

Carbamazepine has a safety concern score of 85 out of 100, placing it in the high concern category based on analysis of FDA adverse event data. The FDA has received approximately 124,512 adverse event reports for this medication, which is primarily manufactured by Novartis Pharmaceuticals Corporation.

The most commonly reported adverse events include Drug Ineffective, Seizure, Drug Interaction. Of classified reports, 86.0% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Seizures and falls are common and serious adverse events.

Drug interactions and ineffective drug performance are frequent. Psychiatric adverse events, including depression and suicidal ideation, are notable.

Patients taking Carbamazepine should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Carbamazepine can cause drug interactions, and patients should be warned about potential interactions with other medications. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 85/100

Carbamazepine received a safety concern score of 85/100 (high concern). This is based on a 86.0% serious event ratio across 65,266 classified reports. The score accounts for 124,512 total adverse event reports and 100 distinct reaction types. This high score reflects a significant proportion of serious adverse events in the reporting data.

Top Adverse Reactions

DRUG INEFFECTIVE4,900 reports
SEIZURE3,609 reports
DRUG INTERACTION3,371 reports
FALL3,046 reports
DIZZINESS2,860 reports
PYREXIA2,690 reports
NAUSEA2,629 reports
TOXICITY TO VARIOUS AGENTS2,599 reports
OFF LABEL USE2,587 reports
VOMITING2,504 reports
CONVULSION2,502 reports
FATIGUE2,473 reports
SOMNOLENCE2,333 reports
PAIN2,293 reports
RASH2,280 reports
HEADACHE2,245 reports
EPILEPSY1,991 reports
CONDITION AGGRAVATED1,983 reports
MALAISE1,784 reports
ASTHENIA1,663 reports
BALANCE DISORDER1,575 reports
DYSPNOEA1,561 reports
OVERDOSE1,505 reports
DIARRHOEA1,501 reports
HYPOTENSION1,486 reports
GAIT DISTURBANCE1,464 reports
HYPONATRAEMIA1,399 reports
CONFUSIONAL STATE1,372 reports
CONSTIPATION1,371 reports
DEPRESSION1,339 reports
DRUG REACTION WITH EOSINOPHILIA AND SYSTEMIC SYMPTOMS1,334 reports
PRURITUS1,325 reports
PNEUMONIA1,314 reports
LOSS OF CONSCIOUSNESS1,295 reports
ANXIETY1,290 reports
INSOMNIA1,282 reports
TREMOR1,212 reports
COGNITIVE DISORDER1,176 reports
FOETAL EXPOSURE DURING PREGNANCY1,110 reports
DEPRESSED LEVEL OF CONSCIOUSNESS1,082 reports
DRUG HYPERSENSITIVITY1,081 reports
WEIGHT INCREASED1,073 reports
FEELING ABNORMAL1,041 reports
MEMORY IMPAIRMENT1,031 reports
SEDATION1,000 reports
WEIGHT DECREASED999 reports
PAIN IN EXTREMITY981 reports
HYPERTENSION965 reports
MATERNAL EXPOSURE DURING PREGNANCY954 reports
COUGH929 reports
COMPLETED SUICIDE927 reports
SUICIDE ATTEMPT920 reports
DEATH910 reports
STEVENS JOHNSON SYNDROME907 reports
ERYTHEMA895 reports
PRODUCT USE IN UNAPPROVED INDICATION895 reports
AGGRESSION886 reports
ARTHRALGIA867 reports
MOBILITY DECREASED814 reports
URINARY TRACT INFECTION808 reports
COMA794 reports
DRUG ABUSE792 reports
AGITATION788 reports
VISION BLURRED784 reports
HYPOAESTHESIA755 reports
DECREASED APPETITE754 reports
ORTHOSTATIC HYPOTENSION749 reports
INTENTIONAL OVERDOSE746 reports
ABDOMINAL PAIN733 reports
DYSPHAGIA710 reports
HYPERSENSITIVITY708 reports
STATUS EPILEPTICUS705 reports
DYSARTHRIA696 reports
SYNCOPE694 reports
SUICIDAL IDEATION693 reports
BACK PAIN682 reports
ALANINE AMINOTRANSFERASE INCREASED678 reports
PARAESTHESIA670 reports
DRUG EXPOSURE DURING PREGNANCY654 reports
GAMMA GLUTAMYLTRANSFERASE INCREASED630 reports
SPEECH DISORDER624 reports
GENERALISED TONIC CLONIC SEIZURE622 reports
ABORTION SPONTANEOUS621 reports
MUSCULAR WEAKNESS618 reports
ANAEMIA616 reports
ATAXIA616 reports
CHEST PAIN615 reports
CEREBROVASCULAR ACCIDENT612 reports
DRUG ERUPTION607 reports
URTICARIA599 reports
BLOOD CALCIUM DECREASED597 reports
ASPARTATE AMINOTRANSFERASE INCREASED594 reports
DIPLOPIA593 reports
SEDATION COMPLICATION574 reports
MUSCLE SPASMS570 reports
BLOOD PRESSURE INCREASED568 reports
OEDEMA PERIPHERAL567 reports
VERTIGO561 reports
CREATININE RENAL CLEARANCE DECREASED554 reports
WHITE BLOOD CELL COUNT DECREASED551 reports

Key Safety Signals

  • Seizures and falls are among the most reported serious adverse events.
  • Drug interactions and ineffective drug performance are significant safety signals.
  • Psychiatric adverse events, including depression and suicidal ideation, are common.

Patient Demographics

Adverse event reports by sex: Female: 34,467, Male: 24,509, Unknown: 376. The most frequently reported age groups are age 52 (996 reports), age 77 (979 reports), age 50 (851 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 65,266 classified reports for CARBAMAZEPINE:

  • Serious: 56,113 reports (86.0%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 9,153 reports (14.0%)
Serious 86.0%Non-Serious 14.0%

The FDA classifies an adverse event as “serious” if it results in death, hospitalization, disability, congenital anomaly, or requires intervention to prevent permanent damage.

Demographics Breakdown

Reports by Sex

Female34,467 (58.1%)
Male24,509 (41.3%)
Unknown376 (0.6%)

Reports by Age

Age 52996 reports
Age 77979 reports
Age 50851 reports
Age 55791 reports
Age 58787 reports
Age 60775 reports
Age 61774 reports
Age 54751 reports
Age 56747 reports
Age 40743 reports
Age 48730 reports
Age 65722 reports
Age 47715 reports
Age 57715 reports
Age 45691 reports
Age 53687 reports
Age 62682 reports
Age 51679 reports
Age 39658 reports
Age 42657 reports

Demographics reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.

Drug Interactions & Warnings

Carbamazepine can cause drug interactions, and patients should be warned about potential interactions with other medications.

What You Should Know

If you are taking Carbamazepine, here are important things to know. The most commonly reported side effects include drug ineffective, seizure, drug interaction, fall, dizziness. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Monitor patients for signs of depression and suicidal ideation, especially during the initial weeks of treatment. Be cautious of potential drug interactions and inform healthcare providers of all medications being taken. If you experience a serious adverse reaction, seek emergency medical attention immediately or call 911. You can report side effects to the FDA's MedWatch program at 1-800-FDA-1088.

Regulatory Context

Regulatory oversight is ongoing, with a focus on monitoring serious adverse events and ensuring patient safety.

Frequently Asked Questions

How many adverse event reports has the FDA received for Carbamazepine?

The FDA has received approximately 124,512 adverse event reports associated with Carbamazepine. These reports come from healthcare professionals, consumers, and manufacturers through the FDA Adverse Event Reporting System (FAERS). Note that the number of reports does not directly indicate the frequency of side effects, as adverse events are voluntarily reported and may be underrepresented.

What are the most commonly reported side effects of Carbamazepine?

The most frequently reported adverse events for Carbamazepine include Drug Ineffective, Seizure, Drug Interaction, Fall, Dizziness. By volume, the top reported reactions are: Drug Ineffective (4,900 reports), Seizure (3,609 reports), Drug Interaction (3,371 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Carbamazepine.

What percentage of Carbamazepine adverse event reports are serious?

Out of 65,266 classified reports, 56,113 (86.0%) were classified as serious and 9,153 as non-serious. The FDA classifies an event as "serious" if it results in death, hospitalization, disability, or other medically significant outcomes. A higher serious-event ratio warrants closer attention but does not necessarily mean the drug is unsafe.

Who reports adverse events for Carbamazepine (by sex)?

Adverse event reports for Carbamazepine break down by patient sex as follows: Female: 34,467, Male: 24,509, Unknown: 376. This distribution reflects reporting patterns rather than actual risk differences between groups. Reporting rates can be influenced by prescribing patterns, disease demographics, and reporting behavior.

What age groups report the most side effects for Carbamazepine?

The most frequently reported age groups for Carbamazepine adverse events are: age 52: 996 reports, age 77: 979 reports, age 50: 851 reports, age 55: 791 reports, age 58: 787 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.

Who manufactures Carbamazepine?

The primary manufacturer associated with Carbamazepine adverse event reports is Novartis Pharmaceuticals Corporation. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.

What other side effects have been reported for Carbamazepine?

Beyond the most common reactions, other reported adverse events for Carbamazepine include: Pyrexia, Nausea, Toxicity To Various Agents, Off Label Use, Vomiting. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.

How do I report a side effect from Carbamazepine?

You can report adverse events from Carbamazepine to the FDA through their MedWatch program at www.fda.gov/medwatch, by calling 1-800-FDA-1088, or by completing Form FDA 3500. Healthcare professionals, consumers, and manufacturers can all submit reports. Reporting helps the FDA monitor drug safety after approval.

What is Carbamazepine's safety score and what does it mean?

Carbamazepine has a safety concern score of 85 out of 100 (high concern). This score is calculated from the ratio of serious to non-serious adverse events, the diversity of reported reactions, and the overall volume of reports relative to usage. Seizures and falls are common and serious adverse events.

What are the key safety signals for Carbamazepine?

Key safety signals identified in Carbamazepine's adverse event data include: Seizures and falls are among the most reported serious adverse events.. Drug interactions and ineffective drug performance are significant safety signals.. Psychiatric adverse events, including depression and suicidal ideation, are common.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Carbamazepine interact with other drugs?

Carbamazepine can cause drug interactions, and patients should be warned about potential interactions with other medications. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Carbamazepine.

What should patients know before taking Carbamazepine?

Monitor patients for signs of depression and suicidal ideation, especially during the initial weeks of treatment. Be cautious of potential drug interactions and inform healthcare providers of all medications being taken.

Are Carbamazepine side effects well-documented?

Carbamazepine has 124,512 adverse event reports on file with the FDA. Drug interactions and ineffective drug performance are frequent. The volume of reports for Carbamazepine reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Carbamazepine?

Regulatory oversight is ongoing, with a focus on monitoring serious adverse events and ensuring patient safety. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

Drugs related to CARBAMAZEPINE based on therapeutic use, drug class, or shared indications:

PhenytoinValproateLamotrigineValproic acidGabapentin
Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.